<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8" />
        <title>23_浮动-案例练习1s删除空白</title>
        <style>
            /* #wrapper { */
                /* 让谁浮动 就加在谁的身上 */
                /* float: left;
            }  */


            #wrapper div {
                float: left;
                width: 200px;
                height: 100px;
                border: 1px solid black;
            }
        </style>
    </head>
    <body>
        <div id="wrapper">
            <div>1</div>
            <div>2</div>
            <div>3</div>
        </div>
    </body>
</html>